Last update
5/20/2026
Reviewed By
Overview
SCIENTIFIC SCORE
Likely Very Effective
Based on 1 Research
9
USERS' SCORE
Good
Based on 2 Reviews
8.4
Supplement Facts
Serving Size: 3 Veg Capsules
Serving Per Container: 40
Amount Per Serving
%DV
GreenGrown® Glucosamine HCl
1.5 g (1,500 mg)
*
MSM (Methylsulfonylmethane)
1 g (1,000 mg)
*
Top Medical Research Studies
9
We aimed to understand how methylsulfonylmethane (MSM) impacts symptoms of allergic rhinitis through a well-structured randomized, double-blind study.
Participants, who were prone to allergic responses, were tested after taking varying doses of MSM following allergen exposure.
Interestingly, the results showed that MSM significantly eased nasal symptoms and improved airflow, making it a potential alternative to conventional allergy medications.
We’re excited by the findings, as MSM appeared effective without common side effects associated with typical treatments.
Participants, who were prone to allergic responses, were tested after taking varying doses of MSM following allergen exposure.
Interestingly, the results showed that MSM significantly eased nasal symptoms and improved airflow, making it a potential alternative to conventional allergy medications.
We’re excited by the findings, as MSM appeared effective without common side effects associated with typical treatments.
Read More
Most Useful Reviews
8
Joint pain aid
3 people found this helpful
This vegetarian product caught my attention as it contains no shellfish, which is crucial as I have shellfish allergies. I suffer from joint pain, and after taking one a day for about a week, I began to notice a difference in my joint condition. I prefer not to take prescription pain relief as they leave me feeling loopy and cause other problems; this product has been a great alternative for my pain management.
Read More
7.5
Less rough days
2 people found this helpful
I’ve been using this product for a few months now, and I highly recommend it to those with shellfish allergies. Although I still have tough days, they are significantly fewer than before I started taking this supplement. I am now able to run without limping thereafter.
Read More
Medical Researches
SCIENTIFIC SCORE
Likely Very Effective
Based on 1 Research
9
- All Researches
9
We aimed to understand how methylsulfonylmethane (MSM) impacts symptoms of allergic rhinitis through a well-structured randomized, double-blind study.
Participants, who were prone to allergic responses, were tested after taking varying doses of MSM following allergen exposure.
Interestingly, the results showed that MSM significantly eased nasal symptoms and improved airflow, making it a potential alternative to conventional allergy medications.
We’re excited by the findings, as MSM appeared effective without common side effects associated with typical treatments.
Participants, who were prone to allergic responses, were tested after taking varying doses of MSM following allergen exposure.
Interestingly, the results showed that MSM significantly eased nasal symptoms and improved airflow, making it a potential alternative to conventional allergy medications.
We’re excited by the findings, as MSM appeared effective without common side effects associated with typical treatments.
Read More
User Reviews
USERS' SCORE
Good
Based on 2 Reviews
8.4
- All Reviews
- Positive Reviews
- Negative Reviews
8
Joint pain aid
3 people found this helpful
This vegetarian product caught my attention as it contains no shellfish, which is crucial as I have shellfish allergies. I suffer from joint pain, and after taking one a day for about a week, I began to notice a difference in my joint condition. I prefer not to take prescription pain relief as they leave me feeling loopy and cause other problems; this product has been a great alternative for my pain management.
Read More
7.5
Less rough days
2 people found this helpful
I’ve been using this product for a few months now, and I highly recommend it to those with shellfish allergies. Although I still have tough days, they are significantly fewer than before I started taking this supplement. I am now able to run without limping thereafter.
Read More
Frequently Asked Questions
No FAQs are available for this product and symptom.
References
- Hewlings S, Kalman DS. Evaluating the Impacts of Methylsulfonylmethane on Allergic Rhinitis After a Standard Allergen Challenge: Randomized Double-Blind Exploratory Study. JMIR Res Protoc. 2018;7:e11139. 10.2196/11139
